Detection of Parasitic Contamination of Cress Crop Irrigated with Two Types of Water in Jumka Village, Erbil – Iraq

Halwest Hassan, Y. Shekha
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Abstract

This study aims to evaluate the risk of using untreated wastewater for vegetable contamination. Water samples and vegetables cress and scientific name ( Lepidium sativum ) were collected from farms using wastewater and well water for irrigation for three seasons (Autumn, Winter, and Spring). Results show that untreated wastewater is characterized by an alkaline side of neutrality and has a high content of the Biochemical Oxygen Demand BOD 5 value of 124 mg. l -1 . The Biochemical Oxygen Demand (BOD 5 ) values variations coincided with water temperature variations and no Dissolved Oxygen (DO) detection during the study periods. Cryptosporidium spp. and other intestinal parasites were observed in wastewater in nearly all studied seasons. Wastewater-contaminated vegetables irrigated by it. Well, water is characterized by the highest EC value of 1119 µS.cm -1 during Winter and the highest pH value of 8.1 during the Spring season. Generally, well water is contaminated with parasitic organisms. Cryptosporidium spp. was detected in well water but no detection was found in cress irrigated by it.
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伊拉克埃尔比勒Jumka村两种水灌溉的水芹作物寄生污染检测
本研究旨在评价利用未经处理的废水处理蔬菜污染的风险。从使用废水和井水灌溉的农场收集了三个季节(秋、冬、春)的水样和蔬菜苗和学名(Lepidium sativum)。结果表明,未经处理的废水具有中性碱性的特点,生化需氧量bod5含量较高,为124 mg。L -1。在研究期间,生化需氧量(BOD 5)值的变化与水温变化一致,且未检测到溶解氧(DO)。在几乎所有的研究季节,废水中都有隐孢子虫和其他肠道寄生虫。用它灌溉被污水污染的蔬菜。水的EC值最高,为1119µS。春季pH值最高,为8.1。一般来说,井水被寄生生物污染了。在井水中检出隐孢子虫,而在其灌溉的地衣中未检出。
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